20302585

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1021}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 25239312

約数和(自身を除く): 4936727

約数列:

[1, 5, 41, 97, 205, 485, 1021, 3977, 5105, 19885, 41861, 99037, 209305, 495185, 4060517, 20302585]

約数ペア:

[(1, 20302585), (5, 4060517), (41, 495185), (97, 209305), (205, 99037), (485, 41861), (1021, 19885), (3977, 5105)]